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OBJECTIVE: When we evaluate a patient with a suspected imported disease we cannot forget to include any autochthonous causes that may mimic imported pathologies to avoid misdiagnosis and therapeutic delay. METHODS: A descriptive longitudinal retrospective study was designed with patients in whom an imported disease was suspected but who were finally diagnosed with autochthonous processes. The patients were selected from two internal medicine practices specializing in tropical diseases between 2008-2017 in Spain. RESULTS: We report 16 patients, 11 (68.7%) were males, and the mean age was 43.4 ± 13.7 years old. Thirteen patients (81.2%) were travellers. Half of the patients were from Latin America, 7 (43.5%) were from Africa, and 1 (6.2%) was from Asia. The time from trip to evaluation ranged between 1 week and 20 years (median, 4 weeks), and the mean time from evaluation to diagnosis was 58.4 ± 100.9 days. There were 5 (31.2%) cases of autochthonous infection, 5 (31.2%) cases of cancer, 2 (12.5%) cases of inflammatory disease, and 2 (12.5%) cases of vascular disease. CONCLUSIONS: Travel or migration by a patient can sometimes be a confusing factor if an imported disease is suspected and may cause delays in the diagnosis and treatment of an autochthonous disease. We highlight that 1/3 of the patients with autochthonous diseases in this study had cancer. The evaluation of imported diseases requires a comprehensive approach by the internist, especially if he specializes in infectious and/or tropical diseases and is, therefore, the best qualified to make an accurate diagnosis.

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La infección por el virus Zika debe sospecharse en viajeros o inmigrantes con clínica de viriasis (exantema, fiebre, artralgias, artritis, conjuntivitis, cefalea, etc.) y una historia epidemiológica compatible. Aunque las manifestaciones cutáneas se encuentran entre las más frecuentes no son específicas y su iconografía es escasa. Presentamos 3 casos, 2 viajeros y un inmigrante que comienzan con un exantema por virus Zika. Alcanzar el diagnóstico de forma rápida optimiza el manejo de estos pacientes, mejora el control de los casos graves y permite minimizar una posible transmisión autóctona dado el riesgo que supone la presencia del Aedes albopictus como potencial vector transmisor de esta enfermedad en el litoral mediterráneo español

Zika virus infection should be suspected in travelers or immigrants with the signs or symptoms of a viral infection (rash, fever, joint pains, conjunctivitis, headache, etc.) and a compatible epidemiological history. Although cutaneous manifestations are among the most common clinical signs of Zika, they are not specific and very few images are available. We present 3 patients (2 travelers and 1 immigrant) in whom a rash was the presenting manifestation of Zika virus infection. Prompt diagnosis optimizes outcomes in these patients, improves the management of severe disease, and minimizes the risk of local transmission by Aedes albopictus, now a potential local vector for the virus due to its presence in areas along Spain's Mediterranean coast

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Zika virus infection should be suspected in travelers or immigrants with the signs or symptoms of a viral infection (rash, fever, joint pains, conjunctivitis, headache, etc.) and a compatible epidemiological history. Although cutaneous manifestations are among the most common clinical signs of Zika, they are not specific and very few images are available. We present 3 patients (2 travelers and 1 immigrant) in whom a rash was the presenting manifestation of Zika virus infection. Prompt diagnosis optimizes outcomes in these patients, improves the management of severe disease, and minimizes the risk of local transmission by Aedes albopictus, now a potential local vector for the virus due to its presence in areas along Spain's Mediterranean coast.

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Cystic echinococcosis (CE) remains an important health problem in many areas of the world, including the Mediterranean region. We performed a retrospective study of cases reported from 1998 to 2012 in order to review and update the epidemiology of this disease in a highly endemic area situated in western Spain. A total of 471 patients were diagnosed with hydatid disease. Of these cases, 55·8% were male, with an average age of 62·3 ± 19·5 years. More importantly, 1·5% of patients were children, and 20·5% were aged <45 years. An active therapeutic approach was implemented for 92·6% of the CE patients with primary diagnoses; however, a 'watch and wait' strategy was used in 59·3% of all secondary CE diagnoses. The incidence rate of hydatid disease was significantly higher compared to the incidence described in the Notifiable Disease System in this area. Furthermore, a significant decrease in hydatid incidence during the years included in the study was observed (ß = -0·4357, P < 0·001). CE incidence has diminished in recent years, although active transmission remains in paediatric cases. Additionally, CE incidence remains high in our region despite public health plans for its control. The documented incidence of CE disease clearly underestimates the real numbers.

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We prospectively studied the prevalence of imported transmissible diseases in 373 immigrant children and adolescents coming from Sub-Saharan Africa, North Africa and Latin America to Salamanca, Spain. The most frequent transmissible diseases in this group were latent tuberculosis (12.7%), chronic hepatitis B virus infection (4.2%), hepatitis C virus infection (2.3%), syphilis (1.5%) and human T-lymphotropic virus type 1 or 2 infections (1.4%). A total of 24.2% of patients had serologic profiles suggesting past hepatitis B virus infection. Anti-human immunodeficiency virus antibodies were not detected in any subject. Largely asymptomatic immigrant children show a high prevalence of communicable diseases. Thus, infectious disease screenings are highly advisable in immigrant children coming from low-income countries.

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